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supported by tradcpp and isn't actually needed for cygwin.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35451 138bc75d-0d04-0410-961f-82ee72b054a4

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35444 138bc75d-0d04-0410-961f-82ee72b054a4

        peeking at its regno.  Fail, don't abort if we can't find
        the increment of the desired register.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35443 138bc75d-0d04-0410-961f-82ee72b054a4

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35442 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/ia64/ia64-protos.h (flag_ssa): Declare.
	* config/ia64/ia64.md (movti_internal, movti_internal+1): New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35439 138bc75d-0d04-0410-961f-82ee72b054a4

	* dwarf2out.c: Likewise.
	* dwarfout.c: Likewise.
	* ssa.c: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35438 138bc75d-0d04-0410-961f-82ee72b054a4

	* gcc.c (translate_options, process_command, main): Likewise.
	Constify variables to match.  Cast second argument to
	pexecute.

	* cppspec.c, gccspec.c, g++spec.c, g77spec.c, jvspec.c: Adjust
	type of second argument to lang_specific_driver, and update
	code as necessary.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35433 138bc75d-0d04-0410-961f-82ee72b054a4

	go away until reg_scan_update is run.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35428 138bc75d-0d04-0410-961f-82ee72b054a4

	* c-tree.h: ... not here.
	* errors.h: Prototype fancy_abort.

	* emit-rtl.c (gen_lowpart_common): Move variable 'c' into
	HOST_BITS_PER_WIDE_INT == 64 ifdef block.
	* regrename.c (regrename_optimize): Make control flow explicit.
	(replace_reg_in_block): Initialize reg_use to 0.

	* i386.c (legitimate_address_p): Rename error label to
	report_error to avoid namespace clash.

cp:
	* cp-tree.h: Don't prototype min_precision here.
	(my_friendly_assert): Cast expression to void.
	* semantics.c (do_poplevel): Initialize scope_stmts.

f:
	* expr.c (ffeexpr_finished_): Cast signed side of ?:
	expression to bool.

java:
	* class.c (build_dtable_decl): Initialize dummy.

intl:
	* dcgettext.c (find_msg): Initialize act before loop.
	(guess_category_value): Add dummy uses of both parameters.
	* localealias.c (read_alias_file): Cast arg of strchr to char *.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35427 138bc75d-0d04-0410-961f-82ee72b054a4

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35425 138bc75d-0d04-0410-961f-82ee72b054a4

	pic_offset_table_rtx for GOTOFF constructs.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35424 138bc75d-0d04-0410-961f-82ee72b054a4

	* i386.md (shift to lea splitter): Use const_int_operand.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35423 138bc75d-0d04-0410-961f-82ee72b054a4

	cppspec.c: Do not use 'legal' or 'illegal' in error messages
	and comments.

	* cppmain.c (cb_define, cb_undef): Don't generate any output
	if not done_initializing.
	* cpplex.c (maybe_paste_with_next): When the token after a ##
	is an omitted rest argument, only delete the token before it
	if that token is a comma.  Do not warn about bogus token
	pastes for , ## rest_arg.

	* cpp.texi: Update.
	* cpp.1: Regenerate.

	* gcc.dg/cpp/macsyntx.c: Fix error regexp.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35421 138bc75d-0d04-0410-961f-82ee72b054a4

        when user gives -p option.  Add init_term_dyn.o for BeOS 5.0
        and later.

        * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
        Be directories to search path.

        Remove support for __declspec(dllimport) and __declspec(dllexport).
        This is leftover cruft from the earlier BeOS gcc port when BeOS
        used Microsoft's PE object file format.
        * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
        * config/i386/t-beos (winnt.o): Remove Makefile frag.
        * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
        (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
        (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
        (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
        (REDO_SECTION_INFO_P): Remove.
        (ASM_EXPORT_DECL): Remove.
        (ASM_DECLARE_FUNCTION_NAME): Remove.
        (ASM_DECLARE_OBJECT_NAME): Remove.
        (ASM_OUTPUT_ALIGNED_COMMON): Remove.
        (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
        (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
        (STRIP_NAME_ENCODING): Remove.

        Remove support for obsolete version of BeOS that is no longer
        supported by Be.
        * configure.in (i*86-*-beospe*): Remove.
        * config/i386/beos-pe.h: Remove.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35420 138bc75d-0d04-0410-961f-82ee72b054a4

	(ssa.o): Updated target to include ssa.h.
	(flow.o): Likewise.
	(toplev.o): Likewise.
	(dce.o): Created target.
	* basic-block.h: Added comments.
	(INVALID_BLOCK): Added definition.
	(connect_infinite_loops_to_exit): Added declaration.
	Moved SSA declarations to ssa.h.
	* flow.c: Added inclusion of ssa.h.
	(struct depth_first_search_dsS, depth_first_search_ds):
	Added definitions.
	(compute_immediate_postdominators): Added definition.
	(connect_infinite_loops_to_exit): Likewise.
	(flow_dfs_compute_reverse_init): Likewise.
	(flow_dfs_compute_reverse_add_bb): Likewise.
	(flow_dfs_compute_reverse_execute): Likewise.
	(flow_dfs_compute_reverse_finish): Likewise.
	* rtl.h (rtx/in_struct): Added use to determine insn necessity.
	(LABEL_P): Added definition.
	(JUMP_P): Likewise.
	(NOTE_P): Likewise.
	(BARRIER_P): Likewise.
	(JUMP_TABLE_DATA_P): Likewise.
	(INSN_DEAD_CODE_P): Likewise.
	* ssa.c: Replaced inclusions with ssa.h inclusion.
	(CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
	(rename_registers): Removed unnecessary variables.
	* ssa.h: Created by moving declarations from ssa.c and
	basic-block.h.
	* timevar.def: Defined TV_DEAD_CODE_ELIM.
	* toplev.c: Added ssa.h inclusion.
	(dump_file_index): Added DFI_dce.
	(dump_file): Added "dce" entry.
	Defined flag_ssa.
	(f_options): Added dce entry.
	* invoke.texi: Document -fdce.  Emphasize experimental status of
	-fssa.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35419 138bc75d-0d04-0410-961f-82ee72b054a4

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35416 138bc75d-0d04-0410-961f-82ee72b054a4

* rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
* flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
insns if they have a REG_MAYBE_DEAD note attached.
* config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
(rs6000_emit_load_toc_table): TOC loads may go dead.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35414 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/ia64/ia64.c (ia64_function_arg): Fix last change.  Verify
	type exists before using it.  Use number of words as alignment
	otherwise.
	(ia64_function_arg_partial_nregs, ia64_function_arg_advance,
	ia64_va_arg): Propagate ia64_function_args changes here.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35413 138bc75d-0d04-0410-961f-82ee72b054a4

        * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35412 138bc75d-0d04-0410-961f-82ee72b054a4

	* sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
	* sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
	unless TARGET_SH3E is set.
	* t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.

	* sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
	(ashlsi3_std): New pattern.
	(ashlsi3 expander): Use it for TARGET_SH3.
	* sh.c (gen_ashift): Use it instead of ashlsi3_k.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35411 138bc75d-0d04-0410-961f-82ee72b054a4

	determine set's mode.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35409 138bc75d-0d04-0410-961f-82ee72b054a4

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35406 138bc75d-0d04-0410-961f-82ee72b054a4

        on targets which need more than one insn for a compare/cbranch
        operation.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35404 138bc75d-0d04-0410-961f-82ee72b054a4

	* config/ia64/ia64.c (ia64_function_arg): Use alignment not size
	when computing offset.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35401 138bc75d-0d04-0410-961f-82ee72b054a4

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35400 138bc75d-0d04-0410-961f-82ee72b054a4

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35398 138bc75d-0d04-0410-961f-82ee72b054a4

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35397 138bc75d-0d04-0410-961f-82ee72b054a4

global_live_at_end data, since if the log_links stuff is invalid
so is global_live_at_*.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35396 138bc75d-0d04-0410-961f-82ee72b054a4

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35395 138bc75d-0d04-0410-961f-82ee72b054a4

	* cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
	(_cpp_get_token): Don't macro expand a just pasted token if it
	was pasted at no_expand_level.

	* testsuite/gcc.dg/cpp/paste7.c: New test.

2000-07-31  Zack Weinberg  <zack@wolery.cumb.org>

	* cppmacro.c (find_param, count_params, save_expansion):
	Permit 'defined' as a macro parameter name.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35394 138bc75d-0d04-0410-961f-82ee72b054a4

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35393 138bc75d-0d04-0410-961f-82ee72b054a4

	(implicit_decl_warning): New function.
	(implicitly_declare): Use it.
	* c-typeck.c (build_external_ref): Use implicit_decl_warning
	to complain about implicit decls of builtins.

	* c-lang.c (lang_init): Set mesg_implicit_function_declaration
	based on pedantic && flag_isoc99, if not already set.
	* c-tree.h: Declare mesg_implicit_function_declaration.
	Prototype implicit_decl_warning.

	* gcc.dg/c99-impl-decl-1.c: No longer XFAIL.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35385 138bc75d-0d04-0410-961f-82ee72b054a4

	* basic-block.h: Added compute_immediate_postdominators declaration.
	* config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
	definition.
	* flow.c (compute_immediate_dominators): Updated comment.
	(compute_immediate_postdominators): Added definition.
	* rtl.h (HARD_REGISTER_P): Added definition.
	* ssa.c: Include additional header files.
	(assert): Added definition.
	(ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
	include select hard registers.
	(ssa_rename_to_insert): Likewise.
	(ssa_rename_from_initialize): Likewise.
	(ssa_rename_from_lookup): Likewise.
	(original_register): Likewise.
	(ssa_rename_from_insert): Added to reimplement ssa_rename_from to
	include select hard reigsters.
	(ssa_rename_from_traverse): Likewise.
	(ssa_rename_from_free): Likewise.
	(ssa_rename_from_print): Likewise.
	(ssa_rename_from_print_1): Likewise.
	(ssa_rename_from_hash_function): Likewise.
	(ssa_rename_from_equal): Likewise.
	(ssa_rename_from_delete): Likewise.
	(simplify_to_immediate_dominators): Removed in favor of
	flow.c:compute_immediate_dominators.
	(find_evaluations_1): Modified to work with hard registers.
	(insert_phi_node): Likewise.
	(insert_phi_nodes): Likewise.
	(struct rename_set_data): Updated prev_reg comment.
	(create_delayed_rename): Modified to work with hard registers.
	(RENAME_NO_RTX): Updated comment.
	(apply_delayed_renames): Modified to work with hard registers.
	(rename_insn_1): Likewise and added handling of CLOBBER rtls.
	(rename_block): Updated to use revised ssa_rename_to interface.
	(rename_registers): Updated to use revised ssa_rename_to and
	ssa_rename_from interface.
	(convert_to_ssa): Revised to use compute_immediate_dominators and
	deal with hard registers.
	(make_regs_equivalent_over_bad_edges): Modified to work with hard
	registers.  Added check for illegal unification of hard register.
	(make_equivalent_phi_alternatives_equivalent): Modified to work
	with hard registers.
	(compute_conservative_reg_partition): Likewise.
	(coalesce_if_unconflicting): Modified to work with hard registers
	and check for conflicting hard registers.
	(mark_phi_and_copy_regs): Revised loop to work only on pseudo
	registers.
	(rename_equivalent_regs_in_insn): Modified to work with hard
	registers.
	(record_canonical_element_1): Added definition.
	(check_hard_regs_in_partition): Added definition.
	(convert_from_ssa): Added data structure deallocation and check
	for illegal hard register unification.
	(conflict_hard_regs_p): Added definition.
	* toplev.c (rest_of_compilation): Added comment.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35384 138bc75d-0d04-0410-961f-82ee72b054a4

        * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35383 138bc75d-0d04-0410-961f-82ee72b054a4

        argument setup.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35382 138bc75d-0d04-0410-961f-82ee72b054a4

        preferred_unit_stack_boundary when it is > 1.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35381 138bc75d-0d04-0410-961f-82ee72b054a4

	in C99 mode.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35380 138bc75d-0d04-0410-961f-82ee72b054a4

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35378 138bc75d-0d04-0410-961f-82ee72b054a4

	void' or 'register void' as being the special case of 'void' alone
	in a parameter list.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35377 138bc75d-0d04-0410-961f-82ee72b054a4

        (emit_a_shift): Rearrange code to improve readability.

        * h8300.md (movsi_h8300hs): Rearrange code to improve readability.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35375 138bc75d-0d04-0410-961f-82ee72b054a4